How to backup and restore Whatsapp conversations

My Tech Update - Whatsapp is one app that has become synonymous with messaging around the world with billions of messages being exchanged on any given day. As your contact list grows so does the amount of messages and conversations, which pile up to accumulate substantial space. What if your smartphone gets infected with a virus? What if it gets stolen? What if it breaks down? In any of the above mentioned scenarios you will end up loosing all your important Whatsapp conversations and messages.